#1D148F#1D148F

#1D148F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.2% C 0.185 H 272.0°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#1D148F
RGB	rgb(29, 20, 143)
HSL	hsl(244, 75%, 32%)
HSV	hsv(244, 86%, 56%)
CMYK	cmyk(79.7%, 86%, 0%, 43.9%)
CIE-LAB	lab(18.99, 45.05, -64.09)
CIE-LCH	lch(18.99, 78.34, 305.10°)
OKLab	oklab(32.17% 0.0064 -0.1854)
OKLCH	oklch(32.17% 0.186 272)
XYZ	xyz(5.7131, 2.7441, 26.2098)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D148F #868F14

analogous

#14498F #1D148F #5B148F

triadic

#1D148F #8F1D14 #148F1D

tetradic

#1D148F #8F1449 #868F14 #148F5B

square

#1D148F #8F1449 #868F14 #148F5B

split-complementary

#1D148F #8F5B14 #498F14

monochromatic

#070524 #120C59 #1D148F #281CC5 #463AE3

Accessibility & contrast

On white

13.56

#1D148F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D148F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D148F

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D148F	#FFFFFF	#000000	##FFFFFF
##1D148F	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00288D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d148f;
/* rgb */ color: rgb(29, 20, 143);
/* oklch */ color: oklch(32.2% 0.185 272.0);

Tailwind

colors: {
  custom: {
    50: '#7056b1',
    500: '#1d148f',
    950: '#000000',
  },
}

SCSS

$custom: #1d148f;
$custom-light: #7056b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d148f",
  "rgb": {
    "r": 29,
    "g": 20,
    "b": 143
  },
  "hsl": {
    "h": 244.39,
    "s": 75.46,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32165,
    "c": 0.1855,
    "h": 272
  },
  "luminance": 0.02745
}

Semantic roles & 50–950 ramp

primary

#1D148F

secondary

#B9C33C

accent

#F236E4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D148F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →